Errors and Exceptions Homework - Solution

Problem 1

Handle the exception thrown by the code below by using try and except blocks.



In [1]:

    
try:
    for i in ['a','b','c']:
        print i**2
except:
    print "An error occurred!"









    



An error occurred!

Problem 2

Handle the exception thrown by the code below by using try and except blocks. Then use a finally block to print 'All Done.'



In [4]:

    
x = 5
y = 0
try:
    z = x/y
except ZeroDivisionError:
    print "Can't divide by Zero!"
finally:
    print 'All Done!'









    



Can't divide by Zero!
All Done!

Problem 3

Write a function that asks for an integer and prints the square of it. Use a while loop with a try,except, else block to account for incorrect inputs.



In [24]:

    
def ask():
    
    while True:
        try:
            n = input('Input an integer: ')
        except:
            print 'An error occurred! Please try again!'
            continue
        else:
            break
            
        
    print 'Thank you, you number squared is: ',n**2



In [25]:

    
ask()









    



Input an integer: null
An error occurred! Please try again!
Input an integer: 2
Thank you, you number squared is:  4

Errors and Exceptions Homework - Solution

Problem 1

Problem 2

Problem 3

Great Job!